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This document tracks the changes to the appearance of the two Boeing B-52 Stratofortresses that were modified to carry and launch the North American X-15 rocket planes. The two NB-52s went on to launch the X-15A-2, Northrop HL-10, Northrop M2-F2, and Martin-Marietta X-24A. The NB-52A retired in October 1969, but the NB-52B soldiered on until November 2004, launching a wide variety of unmanned research vehicles and parachute test devices. The appearance of the NB-52s changed many times over the years. These changes are illustrated in this document. There are fourten sets of illustrations for the NB-52A and eighteen sets of illustrations for the NB-52B. The Stratofortress motherships are popular subjects for modelers. Their special missions capture the imagination. The liberal application of DayGlo orange, DayGlo red, and yellow makes them a couple of the most colorful B-52s. This document will help modelers to reproduce the correct appearance of either Stratofortress for any particular mission.
Project FICON (Fighter conveyer): In the early 1950s, the Air Force conducted a series of experiments to establish the feasibility of carrying, launching, and retrieving jet reconnaissance airplanes from giant Convair RB-36 bombers. It was hoped that the bombers would carry the reconnaissance jets to the perimeter of the Soviet Union and then release them to penetrate the air defenses. Tests of the concept were conducted in 1952 and 1953 with a Republic F-84E Thunderjet and the YF-84F Thunderstreak prototype. Twenty-six Republic RF-84F Thunderflashes and ten Convair GRB-36D carriers were modified for the project. In 1955, a squadron of carriers was established at Fairchild Air Force Base, Washington. A squadron of parasites was established at nearby Larson Air Force Base. Training operations began in December 1955, but the composite aircraft system faced competition from the Boeing RB-52B, Lockheed U-2, and the development of aerial refueling.
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